Z4 Roadster 3.0i, Z4 Roadster 3.0si, and
Z4 Coupe 3.0si.
3.0-liter DOHC 24-valve inline 6-cylinder engine with Valvetronic variable intake-valve lift and Double VANOS steplessly variable valve timing: 215 hp, 185 lb-ft. torque (3.0i) or 255 hp, 220 lb-ft. torque (3.0si)